<!DOCTYPE html>
<html lang="en">
<head>
  <meta charset="UTF-8">
  <meta name="viewport" content="width=device-width, initial-scale=1.0">
  <meta http-equiv="X-UA-Compatible" content="ie=edge">
  <title>realView</title>
</head>
<body>
  <iframe src="http://browniu.gz01.bdysite.com/" frameborder="0">

  </iframe>
</body>
<style>
html,body{
  height: 100vh;
  width: 100vw;
  background: #fff;
  overflow: hidden;
  margin: 0;
  padding: 0;
}
iframe{
  position: absolute;
  top: 0;
  left: 0;
  height: 100%;
  width: 100%;
  margin: 0;
  padding: 0;
}
</style>
</html>